OMSI Autumnal Equinox Star Party

On Saturday, September 21, OMSI and Rose City Astronomers will celebrate the beginning of autumn with a free Star Party! Join us as we gaze at the heavens from Rooster Rock State Park and Stub Stewart State Park starting at sunset. The party is free with $5 parking per vehicle parking fee. From beginners to experts of all ages, here's your opportunity to view the stars and other objects through a variety of telescopes. Viewing highlights include Jupiter, Saturn, and more!

Join us as we gaze at the pre-autumn night sky at Rooster Rock State Park, located 22 miles east of Portland on I-84 just east of Sandy River at exit 25. To reach L.L. "Stub" Stewart State Park, take US-26 west of Portland and turn right on OR-47. The event starts at sunset and is free with $5 parking per vehicle. Warm clothing and a flashlight with red light are recommended. Personal telescopes and binoculars are welcome.

On the scheduled day of each OMSI Star Parties, it is suggested that interested visitors check back here for possible weather-related cancellations.

LOCATION INFORMATIONRooster Rock State Park | Take I-84 east of the Sandy River at exit 25. The park is located 22 miles east of Portland.

L.L. "Stub" Stewart State Park | Take US-26 west of Portland and turn right on OR-47. The park is located 34 miles west of Portland.